Expansive Testing Capabilities
Industry-leading experience, quality, and accuracy allow Hubbell Labs to provide you with the test data you need to engineer and manufacture better electrical utility products. We’ll help you improve safety for both linemen and the public.
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Test Services brochure

Electrical Testing
Our long history of manufacturing electrical utility products results in comprehensive experience with high-power, high-voltage, pulsed power, and continuous current/voltage testing.
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Mechanical Testing
We regularly perform tension, compression, and torque testing on our CHANCE anchor and helical pile products. These test methods are also effective for steel, fiberglass, and polymer insulator products.
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Environmental Testing
Our testing helps you design critical components to withstand extreme conditions such as blistering sun, high humidity, or corrosive industrial or marine environments. We offer UV, salt fog, humidity, and other tests to ensure product longevity.
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Watch the video to see our facilities and how our extensive testing capabilities help you.
Explore Our Testing Options
Discover our range of testing options. While many of our tests are optimized for electrical utility products, we service many industries: construction, telecommunications, transportation, aerospace, gas, water, plus smart grid, and renewables.
High Power Short Circuit Testing
Electromagnetic Force Withstand Test (Grounding)
Arrester Pressure Relief Test
Interruption Test
Distribution Switching Test (Load, Line Charging, Cable Char…
High Current Withstand Test
Equipotential Matting and Underground Electrical Strike Test
Sensor Overload Tests
Distribution Transformer Short Circuit Test
Traveling Arc and Drop Conductor Test
Power Arc and Flammability Test
High Voltage Dielectric Testing
AC High Voltage Withstand / Flashover Test
Lightning Impulse Withstand / Flashover Test
Leakage Current Test
Corona Test
- Partial Discharge (PD)
- Radio Interference Voltage (RIV)
- Visible and Audible Corona Test
Insulated Aerial Lift Qualification Test
AC High Voltage Bonding Test
Tracking and Erosion Test
Continuous Voltage Test
Low Power Testing
Continuous and Overload Current Test
Static Heating Stability Test
Current Cycling Test (CCT)
Heat / Temperature Rise Test
Current Sensor Accuracy and Overload Test
Fuse Melting Test
Pulse Power Testing
MOV Block Testing
Current Impulse Withstand and Operating Duty (Qth) Tests
Time Overvoltage Test (TOV)
Power Frequency and Discharge Voltage/Time Characteristic Tests
Disconnector Operation Test
Duty Cycle Test
Switching Impulse Energy Rating Test (Wth)
Residual Voltage Tests
Thermal Stability Tests
Single-impulse charge transfer rating test (Qrs)
Partial Discharge Test
Watts Loss Test
Thermal Equivalency Test
Mechanical Testing
Tension / Compression Test
Cantilever / Longitudinal Test
Torque Tests
Load Cycling Tests
Sudden Release Test
Brace Line Post Deflection Testing
Fiberoptic Attenuation Test
Environmental Testing
Tracking and Erosion Testing
Salt Fog Testing
Ultraviolet Testing (QUV)
Flammability Test
Thermal Cycling Test
Multi-Stress Test